Roland van der Velden

Roland van der Velden (alias space is green, formerly known as Scientist) is a Doom level designer and graphics artist best known for his megawad Scientist 2, which was added as an official add-on for the Doom Classic Unity port, and for his contributions to the Harmony total conversion made by his brother Thomas van der Velden.

2002

 * Scientist

2005

 * Scientist 2
 * Scientist skin

2014

 * Delaweare (Homepage)

2023

 * Scientist 2023